Unit 2: Cells Chapter 7-2 Cell Organelle Notes - astephensscience

Unit 2: Cells Chapter 7-2

? Two types of Eukaryotic Cells: 1. _________________________

Cell Organelle Notes

2. _____________________

? Organelles: "_______________________" ? Specialized structures that ______________ specific ________ in the cell ? Found only in __________________ cells ? Many are membrane-____________ (a membrane surrounds the organelle)

o ___________: watery matrix that organelles float in o ______________: everything in a cell except the nucleus (cytosol + all organelles)

Organelle

Function

Picture

Cell membrane

Also called: Plasma Membrane

? _______________ the cell and decides what comes _____ and _______

? ___________________: allows nutrients in and waste products out

? Made up of a _____________ bilayer

Nucleus

? ___________ center of cell

? Stores _______ (chromosomes)

Nuclear

? Surrounded by the nuclear membrane

Membrane

(pores let materials in and out)

? Also contains the ________________,

Nucleolus

which makes ribosomes

Factory Part

Plant, Animal, or Prokaryote?

Plant

Animal

Prokaryote

Plant

Animal

Prokaryote

Unit 2: Cells Chapter 7-2

Ribosomes

? Smallest organelle

Cell Organelle Notes

? NOT surrounded by a ______________

? Makes ___________ according to

________ instructions

? Free ribosomes: Float free in

Free

_________

Bound

? Bound ribosomes: Attached to Rough ER

Endoplasmic reticulum

? __________ system for materials in cell

(ER)

? membrane

Rough ER ? 1. __________ ER: covered in

ribosomes; site of _________ synthesis

? 2. ________ ER: NO ribosomes;

Smooth ER

produces ____________ and lipids;

Golgi Apparatus

? ______________ system of the cell ? Collects, modifies, and packages

______________ in the cell

? Distributes and _____________

Vesicles

molecules in ________________

Plant

Animal Prokaryote

Plant

Animal Prokaryote

Plant

Animal Prokaryote

Unit 2: Cells Chapter 7-2

Cell Organelle Notes

Lysosome

? `_________________ Disposal' of cell

? Contains digestive ___________ that

break down waste

Mitochondria

? "__________________" of the cell ? Site of ________________________ ? Converts energy stored in ___________

into energy that the cell needs - _____

? Sugar + Oxygen Carbon dioxide + Water + ATP

Chloroplast

? Found only in ______________ cells and __________

? Contains the green pigment _____________________

? Changes _______________ (solar energy) into food like _______________ (chemical energy)

? Sunlight + CO2 + Water Sugar + Oxygen

Plant

Animal

Prokaryote

Plant

Animal

Prokaryote

Plant

Animal

Prokaryote

Unit 2: Cells Chapter 7-2

Cell Organelle Notes

Cell wall

? Rigid, protective ______________

(maintains cell shape)

? Found in ___________ and

______________ cells

? Located ________________ of the

cell membrane

? Made of _______________

(carbohydrate fiber)

Vacuole

? Large _______________ vacuole in

plant cells

? Many ________________ vacuoles in

animal cells

? Storage container for water, food,

enzymes, wastes, pigments, etc.

? Supports cell _____________ in plants

Plant

Animal Prokaryote

Plant

Animal Prokaryote

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